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Drought stress negatively affects cotton plant growth and induces various biochemical and physiological responses in cotton plants. Proline content and antioxidant enzymes are thought to be associated with maintaining the structure of cellular components or with protecting cellular function. Study of cotton plant responses towards drought stress and investigation of the mechanism of drought tolerance are helpful to develop drought tolerant cotton plants. Here, we describe a protocol to investigate cotton plant response towards drought stress through measurements of biochemical parameters including antioxidant enzyme activities, proline content and malondialdehyde (MDA) content.
Chen et al. (Fri,) studied this question.